Then a three-dimensional deformation inversion analysis is conducted by orthogonal design method and neural network to acquire the distribution rule of rock body ground stress field at various depths.
在此基础上,采用正交设计方法和神经网络进行了岩体地应力场三维变形反演分析,获得了岩体地应力场沿深度的分布规律。
With every stride, runners hit the ground with up to five times their body-weight.
赛跑者的每一步都以5倍于他们体重的力量撞击地面。
According to her research, runners hit the ground with as much as four times their body weight per step, while race walkers, who do not leave the ground, create only about 1.4 times their body weight with each step.
她的研究表明,人在跑步时,脚每次着地对地面的压力相当于自身体重的四倍,而竞走者不完全离开地面,其每步的压力只有自身体重的1.4倍。
This makes it more difficult for the body to effectively use the same amount of oxygen as it would on the ground.
VOA: special.2009.07.14
Picture my body lying on the ground unconscious.
想像我的身体无知觉地躺在地上。
Experts say the body begins losing oxygen minutes after an airplane leaves the ground.
VOA: special.2009.07.14
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